CN205808711U - A kind of Double-working-condition step bearing assay device - Google Patents
A kind of Double-working-condition step bearing assay device Download PDFInfo
- Publication number
- CN205808711U CN205808711U CN201620513092.8U CN201620513092U CN205808711U CN 205808711 U CN205808711 U CN 205808711U CN 201620513092 U CN201620513092 U CN 201620513092U CN 205808711 U CN205808711 U CN 205808711U
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- bearing
- thrust
- thrust disc
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- belt wheel
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- 238000003556 assay Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000011068 loading method Methods 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Support Of The Bearing (AREA)
Abstract
The utility model discloses a kind of Double-working-condition step bearing assay device, be provided with the rack unit of semi-enclosed cavity including top, this cavity is provided with the thrust disc of test bearing parts and rotatable parts, and cavity injects lubricant medium；Loading component is axially loaded on rotatable parts by thrust ball bearing or slide thrust bearing, and divided working status selects thrust ball bearing or slide thrust bearing and corresponding adnexa；Rotating speed and moment of torsion are transferred to shaft coupling by drive disk assembly by power part, and shaft coupling transfers a torque on rotatable parts by spline fitted, drive rotatable parts and test bearing relative movement；Described drive disk assembly uses speedup belt wheel or increases the belt wheel of two kinds of various outer diameters of square belt wheel, and divided working status is installed on the motor shaft of power part；This utility model only need to change belt wheel and up-thrust bearing can meet band simultaneously and carry startup and the simulation of two kinds of operating modes of high-speed cruising, uses a main stand to carry out thrust bearing band respectively and carries startup and high-speed cruising test.
Description
Technical field
This utility model belongs to the assay device field of bearing performance, is specifically related to a kind of Double-working-condition step bearing examination
Experiment device.
Background technology
Thrust bearing is as the basis in mechanical system and key components and parts, and its performance directly determines whole mechanical system
Life and reliability.Particularly for large-scale vertical thrust bearing, stopped status lower thrust-bearing bears whole axle system
Weight, now starting torque is the biggest.When using thrust bearing tester to be simulated test, need to simulate bearing in difference
Work condition state under lubricating status, as heavy-duty low-speed start and high-speed cruising.
For severe duty, the Motor torque needed for thrust bearing tester starts is the hugest, for stable operation shape
Hundred times under state；If using actuating device to increase moment, then must sacrifice high-speed operation performance.High-speed cruising carries with band and opens
Condition of starting building also exists conflicting demand to motor and drive system.Meet the motor often price of two kinds of working condition requirements simultaneously
High, the economy of whole testing stand is proposed challenge.
At present in mandate, disclosed patent, patent " a kind of thrust bearing tester " (application number:
200910236771.X notification number CN102053015) disclose a kind of thrust bearing test used for down-hole drill and petroleum extraction tools
Device, can carry out testing and evaluating Properties of Thrust Bearings；Patent " thrust bearing tester of double steering biaxial loadings " (Shen
Please number: 201210305389.1 notification number CN102840984A) disclose a kind of testing stand for nuclear power main pump bearing, can be real
Existing bidirectional rotation and biaxial loadings；Patent " a kind of force self-balanced formula Thrust Bearing Test Rig " (application number: 2015102580400
Publication No. CN104807641A) disclose a kind of force-closed formula Thrust Bearing Test Rig simulating actual condition, carry out bearing
Can monitoring.But, the assay device being disclosed above cannot meet Large-scale Thrust Bearings on the basis of considering economy simultaneously exist
Band carries the simulation demand started with two kinds of operating modes of high-speed cruising.
Owing to prior art exists above-mentioned deficiency, there is presently no and can meet band load startup and high speed the most simultaneously
Run the large-scale vertical thrust bearing tester of two kinds of duty requirements.
Summary of the invention
The purpose of this utility model is that solving test bearing band carries under startup and two kinds of simulated conditions of high-speed cruising electricity
The problem that machine demand is different, it is provided that a kind of Double-working-condition step bearing assay device, completes on the basis of considering economy
Large-scale vertical thrust bearing test under two kinds of operating modes.
This utility model is to be achieved through the following technical solutions:
A kind of Double-working-condition step bearing assay device, is provided with the rack unit of semi-enclosed cavity, this chamber including top
Body is provided with the thrust disc of test bearing parts and rotatable parts, and cavity injects lubricant medium；Loading component is by pushing away
Power ball bearing or slide thrust bearing are axially loaded on rotatable parts, and divided working status selects thrust ball bearing or slide thrust bearing
And corresponding adnexa；
Described rotatable parts include that rotating shaft, rotating shaft are connected with thrust disc by spline housing, and linear bearing is installed on and pushes away
Between power dish and rotating shaft；
Rotating speed and moment of torsion are transferred to shaft coupling by drive disk assembly by power part, and shaft coupling passes through spline fitted by moment of torsion
It is transferred on rotatable parts, drives rotatable parts and test bearing relative movement；Described drive disk assembly uses speedup band
Wheel or the belt wheel of increasing two kinds of various outer diameters of square belt wheel, divided working status is installed on the motor shaft of power part.
Described drive disk assembly, rotatable parts include following assembling mode:
Assembling for low-speed big operating mode: drive disk assembly uses increasing square belt wheel to be connected with power part；Loading unit
Part is axially loaded on rotatable parts by thrust ball bearing；
Assembling for high speed little moment of torsion operating mode: drive disk assembly uses speedup belt wheel to be connected with power part；Loading unit
Part is axially loaded on rotatable parts by slide thrust bearing.
Described in the assembling of low-speed big operating mode, the axial force of loading component is produced by hydraulic cylinder, hydraulic cylinder
Axial compression low speed loading blocks, low speed loading blocks axial compression thrust ball bearing, thrust ball bearing axial compression spline housing, spline
Set axial compression thrust disc, thrust disc compresses test bearing parts.
Described thrust disc upper surface is also equipped with oil sump baffle ring, and oil sump baffle ring is also connected with low speed loading blocks；Transmission
Pin is through thrust disc and spline housing.
Described in the assembling of high speed little moment of torsion operating mode, the axial force of loading component is produced by hydraulic cylinder, hydraulic pressure cylinder shaft
To compressing High speed load dish, High speed load dish axial compression slide thrust bearing, slide thrust bearing axial compression thrust disc, push away
Power dish compresses test bearing parts, and thrust disc end cap is installed on thrust disc upper surface；And radially limit is installed on test cavity top cover
Position block, the circumferential position of limit thrust bearing
In described rotatable parts, coordinated by spline housing between rotating shaft with thrust disc, it is ensured that the axial float of thrust disc；
Spindle outer diameter coordinates with linear bearing, and linear bearing bottom is additionally provided with thrust disc bottom end cover with to its axial location, linear bearing
External diameter coordinates with thrust disc, it is ensured that the centering of thrust disc and floatability.
The bottom of described rack unit cavity is provided with lubricant medium entrance, and top is provided with lubricant medium outlet, shape
Become lubricant medium circulation cooling circuit.
During described axis of rotation, forming fluid lubrication film between thrust disc and test bearing parts, thrust disc is lifted slightly
Rise；Physical parameter including temperature, pressure under the sensor measurement difference operating mode being arranged in test bearing parts.
Described power part includes the motor being located on electric machine support, and motor shaft extend into lower section and the biography of electric machine support
Dynamic component is connected.
By only changing the speedup belt wheel installed on power part or increasing square belt wheel, change the thrust ball axle in rotatable parts
Hold or slide thrust bearing and adnexa thereof realize band and carry and start or the simulation of two kinds of operating modes of high-speed cruising.
Compared with prior art, this utility model has a following useful technique effect:
This utility model provide Double-working-condition step bearing assay device, assay device only need to change belt wheel and on push away
Power bearing can meet band simultaneously and carry startup and the simulation of two kinds of operating modes of high-speed cruising, uses a main stand to carry out respectively and pushes away
Power bearing band carries and starts and high-speed cruising test.The combination increasing square belt wheel and thrust ball bearing improve the startup ability of motor,
Reduce the starting torque of system；The combination of speedup belt wheel and slide thrust bearing improves the limit speed of system, two kinds of works
Condition is accomplished at same assay device.
The Double-working-condition step bearing assay device that this utility model provides, under low-speed big operating mode, uses and increases
Square belt wheel realizes slowing down and increases square, under thrust ball bearing substantially reduces band load start operating performance in loading component between static pieces simultaneously
Friction torque, reduce starting torque；Under high speed little moment of torsion operating mode, use speedup belt wheel to realize increasing square and slow down, slide simultaneously
Dynamicthrust bearing overcomes thrust ball bearing and is unsatisfactory for the shortcoming of limit speed, improves the limit speed of whole assay device；
The Double-working-condition step bearing assay device that this utility model provides, linear bearing is installed on thrust disc and rotating shaft
Between, it is ensured that the centering of thrust disc and axially can floating, improve the stability that test bearing runs.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model assay device band carries start operating performance；
Fig. 2 is the structural representation of this utility model assay device high-speed cruising operating mode；
Fig. 3 is test cavity body portion enlarged diagram of the present utility model；
Fig. 4 is that band of the present utility model carries belt wheel installation enlarged diagram under startup and high-speed cruising operating mode；
Fig. 5 is that band of the present utility model carries axial force transmission parts enlarged diagram under start operating performance；
Fig. 6 is axial force transmission parts enlarged diagram under high-speed cruising operating mode of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, described in be to this utility model
Explanation rather than restriction.
See Fig. 1～Fig. 6, a kind of Double-working-condition step bearing assay device, it is characterised in that include that top is provided with half
The rack unit 4 of closed cavity, is provided with the thrust disc 11 of test bearing parts 5 and rotatable parts 6 in this cavity, and in cavity
Inject lubricant medium；Loading component 3 is axially loaded on rotatable parts 6 by thrust ball bearing 20 or slide thrust bearing 22,
Divided working status selects thrust ball bearing 20 or slide thrust bearing 22；
Described rotatable parts 6 include that rotating shaft 9, rotating shaft 9 are connected with thrust disc 11 by spline housing 10, linear bearing 12
It is installed between thrust disc 11 and rotating shaft 9；
Rotating speed and moment of torsion are transferred to shaft coupling 7 by drive disk assembly 1 by power part 2, and shaft coupling 7 will by spline fitted
Moment of torsion is transferred on rotatable parts 6, drives rotatable parts 6 and test bearing parts 5 relative motion；Described drive disk assembly 1 is adopted
With speedup belt wheel 15 or the belt wheel of increasing 17 two kinds of various outer diameters of square belt wheel, divided working status is installed on the motor shaft 16 of power part 2.
Described drive disk assembly 1, rotatable parts 6 include following assembling mode:
Assembling for low-speed big operating mode: drive disk assembly 1 uses increasing square belt wheel 17 to be connected with power part 2；Add
Carry parts 3 axially loaded on rotatable parts 6 by thrust ball bearing 20；
Assembling for high speed little moment of torsion operating mode: drive disk assembly 1 uses speedup belt wheel 15 to be connected with power part 2；Add
Carry parts 3 axially loaded on rotatable parts 6 by slide thrust bearing 22.
Concrete, rotatable parts 6, test bearing parts 5 and loading component 3 are all installed in rack unit 4；Power part
2, rotating speed and moment of torsion being delivered on shaft coupling 7 by drive disk assembly 1, shaft coupling 7 transfers a torque to turn by spline fitted
On dynamic component 6, rotatable parts 6 and test bearing parts 5 relative motion form lubricating liquid film and bear axial force, and axial force is by loading
Parts 3 produce, and are put on rotatable parts 6 by thrust ball bearing 20 or slide thrust bearing 22.
Described power part 2 includes the motor being located on electric machine support 14, and motor shaft 16 extend into electric machine support 14
Lower section is connected with drive disk assembly 1.
Further, being provided with lubricant medium entrance bottom described rack unit 4, top is provided with lubricant medium and goes out
Mouthful, form lubricant medium circulation cooling circuit.Described rotatable parts 6 shaft 9 is connected by spline between thrust disc 11,
The axial float of thrust disc 11 is ensured while transmission moment of torsion.It is mounted with straight line in the rotating shaft 9 radial space with thrust disc 11
Bearing 12 ensures centering and the floatability of thrust disc 11.Coordinated by spline housing 10 between rotating shaft 9 with thrust disc 11, rotating shaft 9
External diameter coordinates with linear bearing 12, and linear bearing 12 external diameter coordinates with thrust disc 11, and linear bearing 12 is by thrust disc bottom end cover 13
Realize axially location.
Further, described drive disk assembly 1 have employed speedup belt wheel 15 and increase 17 two kinds of various outer diameters of square belt wheel
Belt wheel, can divided working status is on-demand is installed on motor shaft 16, utilize flat key to transmit moment of torsion, install and increase square belt wheel 15 and can realize low
Speed high pulling torque, installs speedup belt wheel 17 and can realize high speed little moment of torsion operating mode.
Further, under low-speed big operating mode, axial force is produced by hydraulic cylinder 8, hydraulic cylinder 8 axial compression low speed
Carrier block 21, between low speed carrier block 21 and spline housing 10, uses thrust ball bearing 20 to realize sound conversion and axial force
Transmission, reduces the friction torque of system.The adnexa oil sump baffle ring 19 of thrust ball bearing 20 is installed on the upper surface of thrust disc 11,
Spline housing 10 axial compression thrust disc 11, thrust disc 11 compresses test bearing parts 5；Trundle 18 is through thrust disc 11 and spline
Set 10.
Further, under high speed little moment of torsion operating mode, axial force is produced by hydraulic cylinder 8, axial compression high speed carrier
25, high speed carrier 25 axial compression slide thrust bearing 22, use slide thrust bearing 22 to realize sound conversion and axial force
Transmission, it is ensured that system stability under high rotating speed, there is higher limit speed, slide thrust bearing 22 axial compression simultaneously
Thrust disc 11, thrust disc 11 compresses test bearing parts 5, and thrust disc door 26 is installed on the upper surface of thrust disc 11, rises and seals
Effect.And radially limited block 23, the circumferential position of limit thrust bearing 22 are installed on test cavity top cover 24.
Operation principle of the present utility model:
Defining semiclosed test space in the upper chamber of rack unit 4, lubricant medium is from the import of test cavity base
Enter, throw away by centrifugal force from the test cavity upper side of rack unit 4, form circulation and the cooling of lubricating fluid.
Linear bearing 12 is installed between thrust disc 11 and rotating shaft 9, it is ensured that the centering of thrust disc 11 and axially can floating
Dynamic, improve the stability that test bearing runs；When rotating shaft 9 rotates, between thrust disc 11 and test bearing parts 5, form fluid
Lubricating film, the slight lifting of thrust disc 11, may utilize the sensor measurement band in test bearing parts 5 simultaneously and carry startup and transport at a high speed
The physical parameter such as associated temperature, pressure under row operating mode.
The combination increasing square belt wheel and thrust ball bearing improves the startup ability of motor, reduces the starting torque of system；
The combination of speedup belt wheel and slide thrust bearing improves the limit speed of system, and two kinds of operating modes obtain at same assay device
To realizing.
Example given above is to realize this utility model preferably example, and this utility model is not limited to above-mentioned enforcement
Example.Any nonessential interpolation that those skilled in the art is made according to the technical characteristic of technical solutions of the utility model,
Replace, belong to protection domain of the present utility model.
Claims (10)
1. a Double-working-condition step bearing assay device, it is characterised in that include that top is provided with the frame of semi-enclosed cavity
Parts (4), are provided with the thrust disc (11) of test bearing parts (5) and rotatable parts (6), and inject profit in cavity in this cavity
Sliding medium；Loading component (3) is axially loaded in rotatable parts (6) by thrust ball bearing (20) or slide thrust bearing (22)
On, divided working status selects thrust ball bearing (20) or slide thrust bearing (22)；
Described rotatable parts (6) include rotating shaft (9), and rotating shaft (9) is connected with thrust disc (11) by spline housing (10), straight line
Bearing (12) is installed between thrust disc (11) and rotating shaft (9)；
Rotating speed and moment of torsion are transferred to shaft coupling (7) by drive disk assembly (1) by power part (2), and shaft coupling (7) is joined by spline
Conjunction transfers a torque on rotatable parts (6), drives rotatable parts (6) and test bearing parts (5) relative motion；Described biography
Dynamic component (1) uses speedup belt wheel (15) or increases the belt wheel of (17) two kinds of various outer diameters of square belt wheel, and divided working status is installed on power part
On the motor shaft (16) of part (2).
2. Double-working-condition step bearing assay device as claimed in claim 1, it is characterised in that described drive disk assembly
(1), rotatable parts (6) include following assembling mode:
Assembling for low-speed big operating mode: drive disk assembly (1) uses increasing square belt wheel (17) to be connected with power part (2)；
Loading component (3) is axially loaded on rotatable parts (6) by thrust ball bearing (20)；
Assembling for high speed little moment of torsion operating mode: drive disk assembly (1) uses speedup belt wheel (15) to be connected with power part (2)；
Loading component (3) is axially loaded on rotatable parts (6) by slide thrust bearing (22).
3. Double-working-condition step bearing assay device as claimed in claim 2, it is characterised in that described is big for low speed
In the assembling of moment of torsion operating mode, the axial force of loading component (3) is produced by hydraulic cylinder (8), and hydraulic cylinder (8) axial compression low speed loads
Block (21), low speed loading blocks (21) axial compression thrust ball bearing (20), thrust ball bearing (20) axial compression spline housing (10),
Spline housing (10) axial compression thrust disc (11), thrust disc (11) compresses test bearing parts (5).
4. Double-working-condition step bearing assay device as claimed in claim 3, it is characterised in that described thrust disc (11)
Upper surface is also equipped with oil sump baffle ring (19), and oil sump baffle ring (19) is also connected with low speed loading blocks (21)；Trundle (18) is worn
Cross thrust disc (11) and spline housing (10).
5. Double-working-condition step bearing assay device as claimed in claim 2, it is characterised in that described for the little torsion of high speed
In the assembling of square operating mode, the axial force of loading component (3) is produced by hydraulic cylinder (8), hydraulic cylinder (8) axial compression High speed load dish
(25), High speed load dish (25) axial compression slide thrust bearing (22), slide thrust bearing (22) axial compression thrust disc
(11), thrust disc (11) compresses test bearing parts (5), and thrust disc end cap (26) is installed on thrust disc (11) upper surface；And
Test cavity top cover (24) is upper installs radially limited block (23), the circumferential position of limit thrust bearing (22).
6. Double-working-condition step bearing assay device as claimed in claim 1, it is characterised in that described rotatable parts
(6), in, coordinated by spline housing (10) between rotating shaft (9) with thrust disc (11), it is ensured that the axial float of thrust disc (11)；Rotating shaft
(9) external diameter coordinates with linear bearing (12), and linear bearing (12) bottom is additionally provided with thrust disc bottom end cover (13) with axially fixed to it
Position, linear bearing (12) external diameter coordinates with thrust disc (11), it is ensured that the centering of thrust disc (11) and floatability.
7. Double-working-condition step bearing assay device as claimed in claim 1, it is characterised in that described rack unit
(4) bottom of cavity is provided with lubricant medium entrance, and top is provided with lubricant medium outlet, forms lubricant medium circulating cooling and returns
Road.
8. Double-working-condition step bearing assay device as claimed in claim 1, it is characterised in that described rotating shaft (9) turns
Time dynamic, between thrust disc (11) and test bearing parts (5), form fluid lubrication film, thrust disc (11) lifting slightly；It is arranged on
Physical parameter including temperature, pressure under sensor measurement difference operating mode in test bearing parts (5).
9. Double-working-condition step bearing assay device as claimed in claim 1, it is characterised in that described power part
(2) including the motor being located on electric machine support (14), motor shaft (16) extend into lower section and the drive disk assembly of electric machine support (14)
(1) it is connected.
10. the Double-working-condition step bearing assay device as described in claim 1～9 any one, it is characterised in that pass through
Only change the upper speedup belt wheel (15) installed of power part (2) or increase square belt wheel (17), changing the thrust ball in rotatable parts (6)
Bearing (20) or slide thrust bearing (22) and adnexa thereof realize band and carry startup or the simulation of two kinds of operating modes of high-speed cruising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513092.8U CN205808711U (en) | 2016-05-31 | 2016-05-31 | A kind of Double-working-condition step bearing assay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513092.8U CN205808711U (en) | 2016-05-31 | 2016-05-31 | A kind of Double-working-condition step bearing assay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808711U true CN205808711U (en) | 2016-12-14 |
Family
ID=57502318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620513092.8U Withdrawn - After Issue CN205808711U (en) | 2016-05-31 | 2016-05-31 | A kind of Double-working-condition step bearing assay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954033A (en) * | 2016-05-31 | 2016-09-21 | 清华大学 | Double-working-condition vertical-type thrust bearing testing device |
-
2016
- 2016-05-31 CN CN201620513092.8U patent/CN205808711U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954033A (en) * | 2016-05-31 | 2016-09-21 | 清华大学 | Double-working-condition vertical-type thrust bearing testing device |
| CN105954033B (en) * | 2016-05-31 | 2018-05-11 | 清华大学 | A kind of Double-working-condition step bearing experimental rig |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20180511 |
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| AV01 | Patent right actively abandoned |